231321461453731 has 8 divisors (see below), whose sum is σ = 258219305809344. Its totient is φ = 205401720529320.

The previous prime is 231321461453729. The next prime is 231321461453777. The reversal of 231321461453731 is 137354164123132.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 231321461453731 - 2¹ = 231321461453729 is a prime.

It is a super-2 number, since 2×231321461453731² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231321461457731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 244525857301 + ... + 244525858246.

It is an arithmetic number, because the mean of its divisors is an integer number (32277413226168).

Almost surely, 2^{231321461453731} is an apocalyptic number.

231321461453731 is a deficient number, since it is larger than the sum of its proper divisors (26897844355613).

231321461453731 is a wasteful number, since it uses less digits than its factorization.

231321461453731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489051715601.

The product of its digits is 1088640, while the sum is 46.

The spelling of 231321461453731 in words is "two hundred thirty-one trillion, three hundred twenty-one billion, four hundred sixty-one million, four hundred fifty-three thousand, seven hundred thirty-one".